ArticleJournal of experimental botany2022
Biomechanics of tendrils and adhesive pads of the climbing passion flower Passiflora discophora.
Article in Journal of experimental botany, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Vine-Inspired Soft Robotics: Materials, Actuations, and Emerging Applications.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Mechanical Response and Low-Order Wave Propagation of Curved-Rod Compression-Torsion Coupled Metamaterials.Materials (Basel, Switzerland) · 2026Article
- Biomechanics of the Attachment of the Intertidal SeaweedIntegrative organismal biology (Oxford, England) · 2026Article
- Proteomic Analysis of Low-Temperature Stress Response in Maize (Current issues in molecular biology · 2025Article
- Starting strong: development and biomechanics of the seedling-host interaction in European mistletoe (Viscum album).Journal of experimental botany · 2025Article
- One organ to infect them all: the Cuscuta haustorium.Annals of botany · 2025Review
- Force Generation in the Coiling Tendrils of Passiflora caerulea.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- Charting the twist-to-bend ratio of plant axes.Journal of the Royal Society, Interface · 2022Article
- New insights and opportunities from taking a biomechanical perspective on plant ecology.Journal of experimental botany · 2022Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The climbing passion flower Passiflora discophora features branched tendrils with multiple adhesive pads at their tips allowing it to attach to large-diameter supports and to flat surfaces. We conducted tensile tests to quantify the performance of this attachment system. We found that the force at failure varies with substrate, ontogenetic state (turgescent or senescent), and tendril size (i.e. tendril cross-sectional area and pad area). The tendrils proved to be well balanced in size and to attach firmly to a variety of substrates (force at failure up to 2N). Pull-off tests performed with tendrils grown on either epoxy, plywood, or beech bark revealed that senescent tendrils could still bear 24, 64, or 100% of the force measured for turgescent tendrils, respectively, thus providing long-lasting attachment at minimal physiological costs. The tendril main axis was typically the weakest part of the adhesive system, whereas the pad-substrate interface never failed. This suggests that the plants use the slight oversizing of adhesive pads as a strategy to cope with 'unpredictable' substrates. The pads, together with the spring-like main axis, which can, as shown, dissipate a large amount of energy when straightened, thus constitute a fail-safe attachment system.
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